RU2658544C1 - Генерация комфортного шума - Google Patents

Генерация комфортного шума Download PDF

Info

Publication number
RU2658544C1
RU2658544C1 RU2016151325A RU2016151325A RU2658544C1 RU 2658544 C1 RU2658544 C1 RU 2658544C1 RU 2016151325 A RU2016151325 A RU 2016151325A RU 2016151325 A RU2016151325 A RU 2016151325A RU 2658544 C1 RU2658544 C1 RU 2658544C1
Authority
RU
Russia
Prior art keywords
parameters
frames
subset
sid
active
Prior art date
Application number
RU2016151325A
Other languages
English (en)
Russian (ru)
Inventor
ТОФТГОРД Томас ЯНССОН
Original Assignee
Телефонактиеболагет Л М Эрикссон (Пабл)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Телефонактиеболагет Л М Эрикссон (Пабл) filed Critical Телефонактиеболагет Л М Эрикссон (Пабл)
Application granted granted Critical
Publication of RU2658544C1 publication Critical patent/RU2658544C1/ru

Links

Images

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012Comfort noise or silence coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07Line spectrum pair [LSP] vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • User Interface Of Digital Computer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
RU2016151325A 2012-09-11 2013-05-07 Генерация комфортного шума RU2658544C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261699448P 2012-09-11 2012-09-11
US61/699,448 2012-09-11

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
RU2014150326A Division RU2609080C2 (ru) 2012-09-11 2013-05-07 Генерация комфортного шума

Publications (1)

Publication Number Publication Date
RU2658544C1 true RU2658544C1 (ru) 2018-06-22

Family

ID=48289221

Family Applications (2)

Application Number Title Priority Date Filing Date
RU2016151325A RU2658544C1 (ru) 2012-09-11 2013-05-07 Генерация комфортного шума
RU2014150326A RU2609080C2 (ru) 2012-09-11 2013-05-07 Генерация комфортного шума

Family Applications After (1)

Application Number Title Priority Date Filing Date
RU2014150326A RU2609080C2 (ru) 2012-09-11 2013-05-07 Генерация комфортного шума

Country Status (24)

Country Link
US (5) US9443526B2 (ja)
EP (2) EP2823479B1 (ja)
JP (1) JP5793636B2 (ja)
KR (1) KR101648290B1 (ja)
CN (1) CN104584120B (ja)
AP (1) AP2015008251A0 (ja)
AU (1) AU2013314636B2 (ja)
BR (1) BR112015002826B1 (ja)
CA (1) CA2884471C (ja)
CL (1) CL2015000540A1 (ja)
DK (1) DK2823479T3 (ja)
ES (2) ES2642574T3 (ja)
HK (1) HK1206861A1 (ja)
HU (1) HUE027963T2 (ja)
IN (1) IN2014DN08789A (ja)
MA (1) MA37890B1 (ja)
MX (1) MX340634B (ja)
MY (1) MY185490A (ja)
PH (1) PH12014502232B1 (ja)
PL (2) PL2927905T3 (ja)
PT (1) PT2823479E (ja)
RU (2) RU2658544C1 (ja)
SG (1) SG11201500595TA (ja)
WO (1) WO2014040763A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AP2015008251A0 (en) * 2012-09-11 2015-02-28 Telefonaktiebogalet Lm Ericsson Publ Generation of comfort noise
EP3086319B1 (en) * 2013-02-22 2019-06-12 Telefonaktiebolaget LM Ericsson (publ) Methods and apparatuses for dtx hangover in audio coding
CN104217723B (zh) 2013-05-30 2016-11-09 华为技术有限公司 信号编码方法及设备
US9775110B2 (en) * 2014-05-30 2017-09-26 Apple Inc. Power save for volte during silence periods
CN112927725A (zh) 2014-07-29 2021-06-08 瑞典爱立信有限公司 用于估计背景噪声的方法和背景噪声估计器
GB2532041B (en) * 2014-11-06 2019-05-29 Imagination Tech Ltd Comfort noise generation
EP3815082B1 (en) * 2018-06-28 2023-08-02 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive comfort noise parameter determination
US10805191B2 (en) 2018-12-14 2020-10-13 At&T Intellectual Property I, L.P. Systems and methods for analyzing performance silence packets
KR20230049660A (ko) * 2020-07-30 2023-04-13 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호를 인코딩하거나 인코딩된 오디오 장면을 디코딩하기 위한 장치, 방법 및 컴퓨터 프로그램
WO2024056701A1 (en) * 2022-09-13 2024-03-21 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive stereo parameter synthesis

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630016A (en) * 1992-05-28 1997-05-13 Hughes Electronics Comfort noise generation for digital communication systems
US5978760A (en) * 1996-01-29 1999-11-02 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
US6269331B1 (en) * 1996-11-14 2001-07-31 Nokia Mobile Phones Limited Transmission of comfort noise parameters during discontinuous transmission
US6606593B1 (en) * 1996-11-15 2003-08-12 Nokia Mobile Phones Ltd. Methods for generating comfort noise during discontinuous transmission
US20120209599A1 (en) * 2011-02-15 2012-08-16 Vladimir Malenovsky Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec
WO2012110473A1 (en) * 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
RU2461898C2 (ru) * 2008-03-26 2012-09-20 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для кодирования и декодирования

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1149534C (zh) 1998-12-07 2004-05-12 三菱电机株式会社 声音解码装置和声音解码方法
GB2356538A (en) * 1999-11-22 2001-05-23 Mitel Corp Comfort noise generation for open discontinuous transmission systems
US7610197B2 (en) * 2005-08-31 2009-10-27 Motorola, Inc. Method and apparatus for comfort noise generation in speech communication systems
EP2143103A4 (en) * 2007-03-29 2011-11-30 Ericsson Telefon Ab L M METHOD AND VOICE ENCODER WITH LENGTH ADJUSTMENT OF DISCONTINUOUS TRANSMISSION HOLD PERIOD
AP2015008251A0 (en) * 2012-09-11 2015-02-28 Telefonaktiebogalet Lm Ericsson Publ Generation of comfort noise

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630016A (en) * 1992-05-28 1997-05-13 Hughes Electronics Comfort noise generation for digital communication systems
US5978760A (en) * 1996-01-29 1999-11-02 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
US6269331B1 (en) * 1996-11-14 2001-07-31 Nokia Mobile Phones Limited Transmission of comfort noise parameters during discontinuous transmission
US6606593B1 (en) * 1996-11-15 2003-08-12 Nokia Mobile Phones Ltd. Methods for generating comfort noise during discontinuous transmission
RU2461898C2 (ru) * 2008-03-26 2012-09-20 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для кодирования и декодирования
WO2012110473A1 (en) * 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
US20120209599A1 (en) * 2011-02-15 2012-08-16 Vladimir Malenovsky Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec

Also Published As

Publication number Publication date
EP2927905B1 (en) 2017-07-12
CN104584120A (zh) 2015-04-29
US10891964B2 (en) 2021-01-12
AU2013314636A1 (en) 2015-03-19
US9443526B2 (en) 2016-09-13
EP2927905A1 (en) 2015-10-07
US20170352354A1 (en) 2017-12-07
EP2823479B1 (en) 2015-07-08
JP5793636B2 (ja) 2015-10-14
MY185490A (en) 2021-05-19
CA2884471A1 (en) 2014-03-20
EP2823479A1 (en) 2015-01-14
MX2015003060A (es) 2015-07-14
WO2014040763A1 (en) 2014-03-20
AP2015008251A0 (en) 2015-02-28
RU2609080C2 (ru) 2017-01-30
MA37890A1 (fr) 2016-12-30
US9779741B2 (en) 2017-10-03
US20210166704A1 (en) 2021-06-03
PH12014502232A1 (en) 2014-12-15
PT2823479E (pt) 2015-10-08
US10381014B2 (en) 2019-08-13
PH12014502232B1 (en) 2014-12-15
KR101648290B1 (ko) 2016-08-12
RU2014150326A (ru) 2016-07-10
PL2927905T3 (pl) 2017-12-29
US20150235648A1 (en) 2015-08-20
US20160293170A1 (en) 2016-10-06
ES2547457T3 (es) 2015-10-06
BR112015002826A2 (pt) 2018-05-22
BR112015002826B1 (pt) 2021-05-04
US20190318752A1 (en) 2019-10-17
SG11201500595TA (en) 2015-04-29
MX340634B (es) 2016-07-19
MA37890B1 (fr) 2017-11-30
HK1206861A1 (zh) 2016-01-15
AU2013314636B2 (en) 2016-02-25
ES2642574T3 (es) 2017-11-16
CN104584120B (zh) 2016-08-31
CL2015000540A1 (es) 2015-07-31
CA2884471C (en) 2016-12-20
IN2014DN08789A (ja) 2015-05-22
DK2823479T3 (en) 2015-10-12
KR20150054716A (ko) 2015-05-20
PL2823479T3 (pl) 2015-10-30
HUE027963T2 (en) 2016-11-28
US11621004B2 (en) 2023-04-04
JP2015525896A (ja) 2015-09-07

Similar Documents

Publication Publication Date Title
RU2658544C1 (ru) Генерация комфортного шума
EP3288026B1 (en) Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
EP3063759B1 (en) Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
CN107818789A (zh) 解码方法和解码装置
JP6584431B2 (ja) 音声情報を用いる改善されたフレーム消失補正